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Inverse Matrix
[Linear Algebra]

Functions

bool itpp::inv (const mat &X, mat &Y)
 Inverse of real square matrix.Calculate the inverse of the real matrix $\mathbf{X}$.
mat itpp::inv (const mat &X)
 Inverse of real square matrix.Calculate the inverse of the real matrix $\mathbf{X}$.
bool itpp::inv (const cmat &X, cmat &Y)
 Inverse of complex square matrix.Calculate the inverse of the complex matrix $\mathbf{X}$.
cmat itpp::inv (const cmat &X)
 Inverse of real square matrix.Calculate the inverse of the complex matrix $\mathbf{X}$.

Function Documentation

bool itpp::inv ( const mat X,
mat Y 
)

Inverse of real square matrix.Calculate the inverse of the real matrix $\mathbf{X}$.

Solves the equation system $ \mathbf{Y} \mathbf{X} = \mathbf{I}$ using LU-factorization. IT++ needs to be compiled with the LAPACK for the inverse to be available.

Referenced by itpp::Modulator_NCD::demodulate_soft_bits(), itpp::Modulator_NRD::demodulate_soft_bits(), itpp::is_unitary(), and itpp::MOG_generic::setup_covs().

mat itpp::inv ( const mat X  ) 

Inverse of real square matrix.Calculate the inverse of the real matrix $\mathbf{X}$.

Solves the equation system $ \mathbf{Y} \mathbf{X} = \mathbf{I}$ using LU-factorization. IT++ needs to be compiled with LAPACK support for the inverse to be available.

bool itpp::inv ( const cmat X,
cmat Y 
)

Inverse of complex square matrix.Calculate the inverse of the complex matrix $\mathbf{X}$.

Solves the equation system $ \mathbf{Y} \mathbf{X} = \mathbf{I}$ using LU-factorization. IT++ needs to be compiled with LAPACK support for the inverse to be available.

cmat itpp::inv ( const cmat X  ) 

Inverse of real square matrix.Calculate the inverse of the complex matrix $\mathbf{X}$.

Solves the equation system $ \mathbf{Y} \mathbf{X} = \mathbf{I}$ using LU-factorization. IT++ needs to be compiled with the LAPACK for the inverse to be available.

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